JPS5351278A - Process for treating pipe ends to form spherical surface with thick central opening - Google Patents

Process for treating pipe ends to form spherical surface with thick central opening

Info

Publication number
JPS5351278A
JPS5351278A JP12553976A JP12553976A JPS5351278A JP S5351278 A JPS5351278 A JP S5351278A JP 12553976 A JP12553976 A JP 12553976A JP 12553976 A JP12553976 A JP 12553976A JP S5351278 A JPS5351278 A JP S5351278A
Authority
JP
Japan
Prior art keywords
central opening
spherical surface
pipe ends
form spherical
thick central
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP12553976A
Other languages
Japanese (ja)
Other versions
JPS559255B2 (en
Inventor
Jiyouichi Saitou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAITO JIYOUICHI
Original Assignee
SAITO JIYOUICHI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SAITO JIYOUICHI filed Critical SAITO JIYOUICHI
Priority to JP12553976A priority Critical patent/JPS5351278A/en
Publication of JPS5351278A publication Critical patent/JPS5351278A/en
Publication of JPS559255B2 publication Critical patent/JPS559255B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
JP12553976A 1976-10-21 1976-10-21 Process for treating pipe ends to form spherical surface with thick central opening Granted JPS5351278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12553976A JPS5351278A (en) 1976-10-21 1976-10-21 Process for treating pipe ends to form spherical surface with thick central opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12553976A JPS5351278A (en) 1976-10-21 1976-10-21 Process for treating pipe ends to form spherical surface with thick central opening

Publications (2)

Publication Number Publication Date
JPS5351278A true JPS5351278A (en) 1978-05-10
JPS559255B2 JPS559255B2 (en) 1980-03-08

Family

ID=14912685

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12553976A Granted JPS5351278A (en) 1976-10-21 1976-10-21 Process for treating pipe ends to form spherical surface with thick central opening

Country Status (1)

Country Link
JP (1) JPS5351278A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105499418A (en) * 2016-01-29 2016-04-20 哈尔滨工业大学 Necking device of ultrathin-wall cylindrical part and application method of necking device
CN109604999A (en) * 2018-12-19 2019-04-12 海力达汽车系统（常熟）有限公司 A kind of sleeve and application method for hydraulic buttery valve tooling

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6382401B1 (en) * 2017-07-05 2018-08-29 株式会社富士精機 Chamfering method of iron round pipe material for headrest stay

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499955A (en) * 1972-05-23 1974-01-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS499955A (en) * 1972-05-23 1974-01-29

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105499418A (en) * 2016-01-29 2016-04-20 哈尔滨工业大学 Necking device of ultrathin-wall cylindrical part and application method of necking device
CN109604999A (en) * 2018-12-19 2019-04-12 海力达汽车系统（常熟）有限公司 A kind of sleeve and application method for hydraulic buttery valve tooling

Also Published As

Publication number Publication date
JPS559255B2 (en) 1980-03-08

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